for the first time, the pentagon allows american women to serve in combat roles. britain, germany, and the netherlands are to their citizens to get out of benghazi, libya in response to an imminent threat against westerners. >> just touched a button. it hands you the picture. >> it brought us a new age of instant photography. tonight, we focus on the man whose polaroids help capture our lives in real time. welcome to our viewers on public television in america and around the globe. it is time for policy to catch up with reality. that was the message that leon panetta said today as he lifted a ban on women serving in combat. acknowledge in the sacrifices which have already been made by both sexes, he talked of a future where everyone would be given the opportunity to serve in front line rolls. what's the next greatest generation will be one of men and women who will fight and die together to protect this nation. that is what freedom is all about. >> leon panetta there. what do these changes mean and how does the u.s. military compare with other countries like brita